package com.aaa.test;

public class YangShu implements ZhongShu{
    @Override
    public String waKeng(String daxiao) {
        return daxiao;
    }

    @Override
    public String fangShu(String gaodu) {
        return gaodu;
    }

    @Override
    public String gaiTu(String shudu) {
        return shudu;
    }

    public String jiaoShui(String duoshao){
        return duoshao;
    }
}
